Art Déco ring with old-european-cut diamond ca. 1 ct, ca. STW (I)/SI1, no fluorescence, (girdle chipped), and further diamonds totalling ca. 1.3 ct, medium colour and clarity, 18K white gold, 6 g, ring size 50 with solder-fixed minimizing band, early 20th century, minor signs of wear, renewed ring shank, some smaller diamonds with signs of glue, fine craftsmanship with ajour and millegriffes decorations.